Magnesium Carbonate in Industrial

It is basic hydrated magnesium carbonate or normal hydrated magnesium carbonate. Due to the different conditions during crystallization, the product is divided into light and heavy, generally light. It is trihydrate salt at room temperature. Light as a white brittle lump or loose white powder. Odorless. Stable in air. Heated to 700 °C to release carbon dioxide and generate magnesium oxide. Almost insoluble in water, but causes a slight alkaline reaction in water. Insoluble in ethanol, can be dissolved and foamed by dilute acid.

Product Detail

Product Tags


Magnesium Carbonate
  High purity series Industrial grade Pharmaceutical grade
Index ZH-4L ZH-4H   USP BP
MgO ≥ (%) 40 40 40-43.5 40 40-45
Acid-insoluble substance≤ (%) 0.15 0.15 0.15 0.05 0.05
Loss on ignition (%) 54-60 54-60 54-58    
Cl ≤ (%) 0.1 0.1 0.1   0.07
Ca≤ (%) 0.2 0.35 0.7 0.45 0.75
Fe ≤ (%) 0.01 0.01 0.05 0.02 0.04
SO4≤ (%) 0.1   0.15   0.3
Mn ≤ (%)     0.02    
size D50≤ (%) 10/6        
size D90≤ (um)          
Arsenic≤ (ppm)       4 2
Heavy Metals≤ (ppm)       30 20
Bulk Density (%) ≤0.3 ≥0.4 ≤0.2 0.4 ≤0.15/≥0.25

Applications in Industrial

As an additive, magnesium carbonate is often used in pharmaceutical intermediates, antacids, desiccants, color retention agents, carriers, and anti-caking agents; in food as additives, magnesium compensator; in fine chemicals for production Chemical reagent; used as reinforcing agent and filler in rubber; can be used as heat insulation, high temperature resistant fireproof and thermal insulation material.

Product Packing

Packed in plastic woven bags of 20/25kg net weight.


MgCO3 Applications

Magesium carbonate is often used as an additive for medical intermediates, relieving acids, desiccants, cohesion, carrier, and anti -junction agents.

Make a supplement and filling agent in rubber; it can be used as a fire -resistant and high -temperature fire insulation material; important chemical raw materials in the process of wire and cable manufacturing. Make high -end glass products; enamel ceramics on the surface of the bright surface of ChemicalBook; make magnesium salt, paint, paint, daily cosmetics, shipbuilding, boiler manufacturing, filling in the coating industry as accessories, paint, and ink, which can increase whiteness and cover Power and athletes use their hands.

Service and Quality

Zehui is one of the leading manufacturers of inorganic materials, mainly consisting of Magnesium compounds. Zehui's eco-friendly, high-quality products are made from abundant natural resources, sea water. Since 1917, we have been developing our unique technologies. Today, Zehui's advanced products are used in various applications and have an excellent reputation all over the world.


  • Previous:
  • Next:

  • Write your message here and send it to us